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RT9210PS Datasheet(PDF) 6 Page - Richtek Technology Corporation |
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RT9210PS Datasheet(HTML) 6 Page - Richtek Technology Corporation |
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6 / 17 page  RT9210 Preliminary DS9210-05 March 2007 6 www.richtek.com Absolute Maximum Ratings (Note 1) Supply Voltage, VCC -------------------------------------------------------------------------------------------------- 7V BOOT, VBOOT - VPHASE------------------------------------------------------------------------------------------------ 7V Input, Output or I/O Voltage ----------------------------------------------------------------------------------------- GND-0.3V to 7V Package Thermal Resistance TSSOP-24, θJA --------------------------------------------------------------------------------------------------------- 100°C/W SOP-24, θJA ------------------------------------------------------------------------------------------------------------ 90°C/W Junction Temperature ------------------------------------------------------------------------------------------------- 150°C Lead Temperature (Soldering, 10 sec.) --------------------------------------------------------------------------- 260°C Storage Temperature Range ---------------------------------------------------------------------------------------- −65°C to 150°C ESD Susceptibility (Note 2) HBM (Human Body Mode) ------------------------------------------------------------------------------------------ 2kV MM (Machine Mode) -------------------------------------------------------------------------------------------------- 200V Electrical Characteristics (VCC = 5V, TA = 25°C, unless otherwise specified) Parameter Symbol Test Conditions Min Typ Max Units VCC Supply Current Nominal Supply Current ICC OCSET/SD = VCC, UGATE1 & 2 LGATE1 & 2 Open -- 5 -- mA Shutdown Supply ICCSD OCSET/SD = 0V -- 3 -- mA Power-On Reset POR Threshold VCCRTH VOCSET/SD = 4.5V, VCC Rising 3.7 4.1 4.5 V Hysteresis VCCHYS VOCSET/SD = 4.5V -- 0.5 -- V Reference (for V1 and V2 Error Amp) Reference Voltage (V2 Error Amp Reference) VREF2 Sense1 = 2.5V 49.0 50.0 51.0 % Sense1 V1 Error Amp Reference Voltage Tolerance ΔV1EAR -- -- 2 % Error Amp Reference VREF VCC = 5V 0.784 0.8 0.816 V Oscillator Free Running Frequency fOSC VCC = 5V 275 300 325 kHz Ramp Amplitude ΔVOSC -- 1.9 -- VP-P Error Amplifier DC Gain -- 90 -- dB Gain-Bandwidth Product GBW -- 10 -- MHz Slew Rate SR COMP = 10pF -- 6 -- V/ μs To be continued Recommended Operating Conditions (Note 3) Supply Voltage, VCC -------------------------------------------------------------------------------------------------- 5V ± 5% Ambient Temperature Range ---------------------------------------------------------------------------------------- 0 °C to 70°C Junction Temperature Range ---------------------------------------------------------------------------------------- 0 °C to 125°C |
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